National Museum of Nuclear Science & History
J. D. Hayes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.
Landis worked for Stone and Webster Engineering Corporation.
D. F. Webster worked for Clinton Laboratories at the X-10 Reactor.